CN203111273U - Rear-wheel brake mechanism of children bicycle - Google Patents
Rear-wheel brake mechanism of children bicycle Download PDFInfo
- Publication number
- CN203111273U CN203111273U CN201320074467.1U CN201320074467U CN203111273U CN 203111273 U CN203111273 U CN 203111273U CN 201320074467 U CN201320074467 U CN 201320074467U CN 203111273 U CN203111273 U CN 203111273U
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- Prior art keywords
- brake
- rear wheel
- connection block
- braking
- axial line
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- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Handcart (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
A rear-wheel brake mechanism of a children bicycle comprises rear wheel components, braking units, a brake linkage rod and a driving pedal, wherein the rear wheel components can be arranged on two sides of the bottom rear portion of a frame of the children bicycle in a rotatable mode, the braking units are used for carrying out braking on the rear wheel components on the two sides respectively, and the brake linkage rod is capable of rotating around the self axis line and is used for connecting the braking units on two sides. Each braking unit comprises a connecting base, a brake column, a lock groove or lock hole, and a brake handle, wherein each connecting base is connected with one end portion of the brake linkage rod in a rotatable mode, each brake column can be arranged on each connecting base in a sliding mode in the direction of the axis line of the brake linkage rod, each lock groove or lock hole is formed in each rear wheel component and is matched with on end portion of each brake column to achieve braking, the brake handles are fixedly sleeved on the brake linkage rod, and each brake handle is provided with a slippage face which is matched with one end portion of each brake column so that the brake columns can slide along with rotation of the brake handles. The driving pedal is connected with at least one of the brake handles on the two sides. The rear-wheel brake mechanism of the children bicycle has the function of rear wheel brake linkage, and is simple, concise and beautiful in modeling.
Description
Technical field
The utility model relates to a kind of rear wheel brake mechanism of perambulator.
Background technology
The rear wheel brake mechanism of perambulator of the prior art (notification number is CN201201633Y) comprises first wheel assembly and second wheel assembly at the both ends that are arranged on hind axle, be rotatably connected to the first brake handle that has interlocking position and disengaged position between first wheel assembly on the first trailing wheel joint and described, be rotatably connected on the described second trailing wheel joint and described second wheel assembly between have the second brake handle of interlocking position and disengaged position, when described first brake is rabbeted under the position being in, described second brake is also being in the interlocking position, when the described first brake handle is in a disengaged position down, described second brake is also being in a disengaged position, be provided with linkage part on the described hind axle rotationally, the line of centers of this linkage part and the axial line of described hind axle coincide, the described first brake handle, one in two of one ends of described linkage part is provided with a plurality of first teeth groove, another parts are provided with a plurality of first tooth portions, described first teeth groove matches with the described first tooth portion, the described second brake handle, one in two of the other end of described linkage part is provided with a plurality of second tooth portions, another is provided with a plurality of second teeth groove, the described second tooth portion matches with described second teeth groove, is provided with the first brake lever detent mechanism between the described first brake handle and the described first trailing wheel joint; And or be provided with the second brake lever detent mechanism between the described second brake handle and the described second trailing wheel joint.This shows that it is more to realize in the prior art that two wheel assemblies are in the lock state simultaneously with the link gear parts of released state, complexity is connected.
The utility model content
The technical problems to be solved in the utility model provides the succinct perambulator rear wheel brake mechanism of a kind of outward appearance.
For solving the problems of the technologies described above, a kind of technical scheme that the utility model adopts is: a kind of rear wheel brake mechanism of perambulator, the wheel assembly that comprises the both sides, rear portion, the end that can be arranged on frame for baby cart rotationally, be respectively applied to brake unit that the wheel assembly of described both sides is braked, can rotate and the brake linkage bar that the described brake unit of both sides is continuous around self axial line, drive pedal, described wheel assembly comprises the rotating shaft of rotating around self axial line, wheel hub, be set in the tire on the described wheel hub, be fixedly connected on the brake disc on the described wheel hub; Each described brake unit comprises the Connection Block that the end with described brake linkage bar is rotationally connected, can be slidingly arranged in the braking column on the described Connection Block along the direction of the axial line of brake linkage bar, be formed on the described brake disc and match with an end of described braking column and to realize locked groove or the lockhole of braking, fixed cover is located at the brake handle on the described brake linkage bar, can slide and an end is supported and is located at described brake last location bullet tongue along the direction of described axial line, be formed on the described Connection Block and match with the other end of described location bullet tongue and to realize that described brake is first knock hole and second knock hole of location, both ends respectively with described Connection Block and described brake the stage clip that offsets, described brake is having the slipping area that matches with the other end of described braking column, make described braking column to slide along with the rotation of described brake handle, described Connection Block rotates with described rotating shaft and is connected, described driving pedal at least with the brake of both sides in one link to each other.
Further, described slipping area is the circumferencial direction spiral setting in the center of circle along the center of rotation of described brake handle.
Further, described first knock hole and described second knock hole are all V-shaped.
Further, the axial line of described rotating shaft parallels with described axial line.
Further, be formed with pallet on the described Connection Block, described frame for baby cart and described pallet are fixedly connected.
Scope of the present utility model is not limited to the technical scheme that the particular combination of above-mentioned technical characterictic forms, and also should contain simultaneously by above-mentioned technical characterictic or its equivalent feature to carry out combination in any and other technical scheme of forming.For example the technical characterictic that disclosed (but being not limited to) has a similar functions among above-mentioned feature and the application is replaced mutually and technical scheme of forming etc.
Because technique scheme is used, the utility model compared with prior art has following advantage: the utility model is under the function that possesses the rear wheel brake interlock, and moulding is succinct, attractive in appearance.
Description of drawings
Accompanying drawing 1 is the exploded view of the rear wheel brake mechanism of perambulator;
Accompanying drawing 2 is the cutaway view (being in braking mode) of the rear wheel brake mechanism of perambulator;
Accompanying drawing 3 is the cutaway view (in running order) of the rear wheel brake mechanism of perambulator;
Accompanying drawing 4 is the birds-eye view of brake handle;
Accompanying drawing 5 is the block diagram of brake handle;
Accompanying drawing 6 is the birds-eye view of Connection Block;
Accompanying drawing 7 is the block diagram of Connection Block;
Accompanying drawing 8 is the cutaway view (being in braking mode) of brake handle and Connection Block;
Accompanying drawing 9 is the cutaway view (in running order) of brake handle and Connection Block;
Wherein: 1, frame for baby cart; 3, drive pedal; 4, wheel assembly; 6, brake linkage bar; 7, axial line;
21, pallet; 22, brake handle; 23, braking column; 24, Connection Block; 25, slipping area; 26, the location plays tongue; 27, first knock hole; 28, second knock hole; 29, stage clip;
41, tire; 42, brake disc; 43, wheel hub; 44, rotating shaft.
The specific embodiment
Shown in each accompanying drawing, a kind of rear wheel brake mechanism of perambulator comprises the wheel assembly 4 of the both sides, rear portion, the end that can be arranged on frame for baby cart 1 rotationally, the brake unit that is respectively applied to the wheel assembly 4 of both sides is braked, can rotate and brake linkage bar 6 that the brake unit of both sides is linked to each other, drive pedal 3 around self axial line 7.
Each brake unit comprises the Connection Block 24 that the end with brake linkage bar 6 is rotationally connected, can be slidingly arranged in the braking column 23 on the Connection Block 24 along the direction of the axial line 7 of brake linkage bar 6, be formed on the brake disc 42 and match with an end of braking column 23 and to realize locked groove or the lockhole of braking, fixed cover is located at brake on the brake linkage bar 6 22, can slide and an end is supported and is located at brake the location bullet tongue 26 on 22 along the direction of axial line 7, be formed on the Connection Block 24 and with the other end of location bullet tongue 26 and match the realization brake first knock hole 27 and second knock holees 28 of 22 location, both ends respectively with Connection Block 24 and brake 22 stage clips that offset 29.
Particularly, be formed with pallet 21 on the Connection Block 24, frame for baby cart 1 is fixedly connected with pallet 21, the inside of Connection Block 24 offers the through hole that passes for braking column 23 and plays tongue 26 for the location supports the groove of establishing, Connection Block 24 rotates with rotating shaft 44 and is connected, brake has the slipping area 25 that matches with the other end of braking column 23 to 22, slipping area 25 is the circumferencial direction spiral setting in the center of circle along the center of rotation that brakes 22, make braking column 23 to slide 22 rotation along with brake, driving pedal 3 links to each other one in 22 with the brake of both sides at least.First knock hole 27 and second knock hole 28 are all V-shaped.
When perambulator is in braking mode, the most shallow place that is located at slipping area 25 is supported in the other end of braking column 23, this moment, one end of braking column 23 was pushed in locked groove or the lockhole, spring on the braking column 23 is in compressive state at this moment, stage clip 29 also is in compressive state, and the location plays tongue 26 and is plugged in first knock hole 27; When pulling driving pedal 3, the location plays tongue 26 and skids off in first knock hole 27, stage clip 29 automatically resets, and makes brake rotate counterclockwise miter angle to 22, and brake drives 6 rotations of brake linkage bar to 22 rotation, make the brake unit of both sides be synchronized with the movement, at this moment, the other end of braking column 23 slides into the innermost along slipping area 25, and braking column 23 shifts out in locked groove or lockhole, the location plays tongue 26 and is plugged in second knock hole 28, and perambulator is in running order.
As mentioned above, we are illustrated according to aim of the present utility model fully, but the utility model is not limited to above-described embodiment and implementation method.The practitioner of correlative technology field can carry out different variations and enforcement in the scope of technological thought permission of the present utility model.
Claims (5)
1. the rear wheel brake mechanism of a perambulator, the wheel assembly (4) that comprises the both sides, rear portion, the end that can be arranged on frame for baby cart (1) rotationally, be respectively applied to the brake unit that the wheel assembly (4) to described both sides is braked, can rotate and the brake linkage bar (6) that the described brake unit of both sides is continuous around self axial line (7), drive pedal (3), it is characterized in that: described wheel assembly (4) comprises the rotating shaft (44) of rotating around self axial line, wheel hub (43), be set in the tire (41) on the described wheel hub (43), be fixedly connected on the brake disc (42) on the described wheel hub (43); Each described brake unit comprises the Connection Block (24) that the end with described brake linkage bar (6) is rotationally connected, can be slidingly arranged in the braking column (23) on the described Connection Block (24) along the direction of the axial line (7) of brake linkage bar (6), being formed on matches on the described brake disc (42) and with an end of described braking column (23) realizes locked groove or the lockhole of braking, fixed cover is located at the brake handle (22) on the described brake linkage bar (6), can support a location bullet tongue (26) that is located on described brake (22) along direction slip and an end of described axial line (7), be formed on described Connection Block (24) and upward and with the other end of described location bullet tongue (26) match the described brake of realization first knock hole (27) and second knock hole (28) of (22) location, the stage clip (29) that both ends offset (22) with described Connection Block (24) and described brake respectively, described brake has the slipping area (25) that matches with the other end of described braking column (23) to (22), make described braking column (23) to slide the rotation of (22) along with described brake, described Connection Block (24) rotates with described rotating shaft (44) and is connected, and described driving pedal (3) links to each other one in (22) with the brake of both sides at least.
2. rear wheel brake according to claim 1 mechanism, it is characterized in that: described slipping area (25) is the center of rotation of (22) the circumferencial direction spiral setting in the center of circle along described brake.
3. rear wheel brake according to claim 1 mechanism, it is characterized in that: described first knock hole (27) and described second knock hole (28) are all V-shaped.
4. rear wheel brake according to claim 1 mechanism, it is characterized in that: the axial line of described rotating shaft (44) parallels with described axial line (7).
5. rear wheel brake according to claim 1 mechanism, it is characterized in that: be formed with pallet (21) on the described Connection Block (24), described frame for baby cart (1) is fixedly connected with described pallet (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320074467.1U CN203111273U (en) | 2013-02-17 | 2013-02-17 | Rear-wheel brake mechanism of children bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320074467.1U CN203111273U (en) | 2013-02-17 | 2013-02-17 | Rear-wheel brake mechanism of children bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203111273U true CN203111273U (en) | 2013-08-07 |
Family
ID=48891644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320074467.1U Expired - Fee Related CN203111273U (en) | 2013-02-17 | 2013-02-17 | Rear-wheel brake mechanism of children bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203111273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910988A (en) * | 2019-02-01 | 2019-06-21 | 古正煇 | A kind of perambulator brake structure |
-
2013
- 2013-02-17 CN CN201320074467.1U patent/CN203111273U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910988A (en) * | 2019-02-01 | 2019-06-21 | 古正煇 | A kind of perambulator brake structure |
| CN109910988B (en) * | 2019-02-01 | 2021-06-01 | 古正煇 | Brake structure of baby carrier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20220217 |